--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4361363656 dns-udp-queries-received-ipv6: 475520744 dns-tcp-queries-received-ipv4: 193887949 dns-tcp-queries-received-ipv6: 8474271 dns-udp-responses-sent-ipv4: 4353554974 dns-udp-responses-sent-ipv6: 475481308 dns-tcp-responses-sent-ipv4: 193887766 dns-tcp-responses-sent-ipv6: 8619732